Minikube VirtualBox on OS X Mojave Issues
Apple and Oracle can't see eye to eye on security so all the current Virtual Box Installers (5.2/6.0RC1) do not work. I actually blame oracle as they won't take simple steps to keep their software up to date and compatible, but that is neither here nor there.
VirtualBox will install correctly.
VirtualBox install will fail for all current version.